Home / 11,920.33-16,450.25-6,543.27

Finding the Fourth Proportional to 11,920.33, 16,450.25 and 6,543.27

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Solution

The fourth proportional to 11,920.33, 16,450.25 and 6,543.27 is: 9,029.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920.33 : 16,450.25 = 6,543.27 : x
  2. Step 2: Convert to fraction form
    11,920.33/16,450.25 = 6,543.27/x
  3. Step 3: Cross multiply
    11,920.33x = 16,450.25 × 6,543.27
  4. Step 4: Simplify right side
    11,920.33x = 107,638,417.48
  5. Step 5: Solve for x
    x = 107,638,417.48/11,920.33
  6. Step 6: Final answer
    x = 9,029.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.